Data as of Nov 3, 2026
131.86.0.0/15
No anonymizer spaceUnited States Department of Defense (DoD)
Announcements
Nesting
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 131.86.0.0/16 since Sep 2016 | AS721 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.0.0/23 since Jan 2020 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.3.0/24 since Feb 2010 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.9.0/24 since Sep 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.10.0/24 since Sep 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.23.0/24 since Feb 2014 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.32.0/23 since Jul 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.34.0/23 since Jul 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.42.0/24 since Jul 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.43.0/24 since Jul 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.45.0/24 since Jul 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.51.0/24 since Jul 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.55.0/24 since Jul 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.63.0/24 since Jul 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.130.0/24 since Feb 2026 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.131.0/24 since Feb 2026 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.160.0/24 since Oct 2020 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.165.0/24 since Oct 2020 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.168.0/24 since Oct 2020 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.176.0/23 since Mar 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.178.0/23 since Mar 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.180.0/23 since Apr 2026 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.200.0/23 since Dec 2017 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.202.0/23 since Dec 2017 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.232.0/23 since Apr 2026 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.234.0/23 since Apr 2026 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.245.0/24 since Apr 2026 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.246.0/24 since Sep 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.247.0/24 since Sep 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.248.0/23 since May 2022 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.250.0/23 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.86.255.0/24 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.0.0/16 since Dec 2010 | AS721 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.6.0/24 since Oct 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.7.0/24 since Oct 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.10.0/24 since Oct 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.12.0/24 since Oct 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.13.0/24 since Oct 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.40.0/22 since Oct 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.53.0/24 since Oct 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.60.0/24 since Mar 2026 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.68.0/24 since Oct 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.93.0/24 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.98.0/24 since Oct 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.99.0/24 since Oct 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.100.0/22 since Oct 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.104.0/22 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.108.0/22 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.112.0/23 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.204.0/23 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.235.0/24 since Nov 2005 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.237.0/24 since Dec 2005 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.243.0/24 since Apr 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.245.0/24 since Sep 2005 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.249.0/24 since Jun 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.250.0/24 since Jun 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.251.0/24 since Jun 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.252.0/24 since Jun 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.254.0/24 since Jun 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.87.255.0/24 since Jun 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 131.86.0.0/16 | 65,536 | DLA-EUROPE-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Oct 25, 1988 | [email protected] |
| └ 131.86.0.0/16 | 65,536 | DLA-EUROPE-NET | DoD Network Information Center (DNIC) · US | Reallocated | Aug 28, 2025 | [email protected] |
| 131.87.0.0/16 | 65,536 | DNIC-RNET-131-87 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Oct 25, 1988 | [email protected] |
| └ 131.87.0.0/16 | 65,536 | DNIC-RNET-131-87 | DoD Network Information Center (DNIC) · US | Reallocated | Aug 28, 2025 | [email protected] |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS721
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Domain
- mail.mil
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Dec 2010 · 16 yr
- Origin networks
- 2
- Last change of origin
- Dec 2010
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
131.86.0.0/15 spans several registrations: 4 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 25, 1988
- Status
- assigned